(19)
(11) EP 3 581 681 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
25.12.2019 Bulletin 2019/52

(43) Date of publication A2:
18.12.2019 Bulletin 2019/51

(21) Application number: 19174793.0

(22) Date of filing: 16.05.2019
(51) International Patent Classification (IPC): 
C25B 1/02(2006.01)
H01M 8/0662(2016.01)
 C25B 9/08(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 14.06.2018 JP 2018113854

(71) Applicant: Panasonic Intellectual Property Management Co., Ltd.
Osaka-shi, Osaka 540-6207 (JP)

(72) Inventors:
  • UKAI, Kunihiro
    Osaka-shi, Osaka 540-6207 (JP)
  • KAWABATA, Norihiko
    Osaka-shi, Osaka 540-6207 (JP)
  • SAKAI, Osamu
    Osaka-shi, Osaka 540-6207 (JP)
  • WAKITA, Hidenobu
    Osaka-shi, Osaka 540-6207 (JP)
  • ZHANG, Jin
    Osaka-shi, Osaka 540-6207 (JP)
  • KANI, Yukimune
    Osaka-shi, Osaka 540-6207 (JP)

(74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB 
Leopoldstraße 4
80802 München
80802 München (DE)

   


(54) ELECTROCHEMICAL HYDROGEN PUMP


(57) An electrochemical hydrogen pump includes at least one hydrogen pump unit including an electrolyte membrane, an anode on one main surface of the electrolyte membrane, a cathode on the other main surface of the electrolyte membrane, an anode separator on the anode, and a cathode separator on the cathode, the at least one hydrogen pump unit transferring, to the cathode, hydrogen supplied to the anode and pressurizing the hydrogen, a first fixing member for preventing movement of the cathode separator in a direction in which the cathode separator is stacked, a first end plate on the anode separator at one end in the stacking direction, a second end plate on the cathode separator at the other end in the stacking direction, and a first gas flow channel through which hydrogen in the cathode is supplied to a first space between the second end plate and the cathode separator.







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